I was 阅读 zanhar1's 文章 link and one thing she 说 really popped out at me. Here's the quote:
"The main reason as to why I think TLOK gets so much hate is because ATLA was such a great 显示 that 由 comparison, Korra just doesn't stand a chance. I mean 阿凡达 was a masterpiece with unbeatable and lovable characters (to the point where one can even 爱情 the character they hated to some degree!) and a wicked plot. With that in mind I think people set their standards too high. They were expecting something that would blow 阿凡达 away 或者 at least match up with the show. And when Korra was...